FR2426151B1 - DEVICE FOR LOCKING ROTOR BLADES - Google Patents

DEVICE FOR LOCKING ROTOR BLADES

Info

Publication number: FR2426151B1
Authority: FR; France
Prior art keywords: rotor blades; locking rotor; locking; blades; rotor
Prior art date: 1978-05-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

FR7903969A

Other languages

French (fr)

Other versions

FR2426151A1 (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

General Electric Co

Original Assignee

General Electric Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-05-18

Filing date

1979-02-16

Publication date

1985-09-20

1979-02-16 Application filed by General Electric Co filed Critical General Electric Co

1979-12-14 Publication of FR2426151A1 publication Critical patent/FR2426151A1/en

1985-09-20 Application granted granted Critical

1985-09-20 Publication of FR2426151B1 publication Critical patent/FR2426151B1/en

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/32—Locking, e.g. by final locking blades or keys
- F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the rotor

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Turbine Rotor Nozzle Sealing (AREA)

FR7903969A 1978-05-18 1979-02-16 DEVICE FOR LOCKING ROTOR BLADES Expired FR2426151B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/907,238 US4208170A (en)	1978-05-18	1978-05-18	Blade retainer

Publications (2)

Publication Number	Publication Date
FR2426151A1 FR2426151A1 (en)	1979-12-14
FR2426151B1 true FR2426151B1 (en)	1985-09-20

Family

ID=25423750

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7903969A Expired FR2426151B1 (en)	1978-05-18	1979-02-16	DEVICE FOR LOCKING ROTOR BLADES

Country Status (7)

Country	Link
US (1)	US4208170A (en)
JP (1)	JPS54150505A (en)
CA (1)	CA1122128A (en)
DE (1)	DE2906029A1 (en)
FR (1)	FR2426151B1 (en)
GB (1)	GB2021206B (en)
IT (1)	IT1110643B (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4265595A (en) *	1979-01-02	1981-05-05	General Electric Company	Turbomachinery blade retaining assembly
FR2507679A1 (en) *	1981-06-12	1982-12-17	Snecma	DEVICE FOR LOCKING A TURBOMACHINE ROTOR BLADE
FR2508541B1 (en) *	1981-06-25	1985-11-22	Snecma	DEVICE FOR DAMPING BLADES OF TURBOMACHINES, ESPECIALLY BLOWERS
FR2519072B1 (en) *	1981-12-29	1986-05-30	Snecma	DEVICE FOR AXIAL AND RADIAL RETENTION OF A TURBO JET ROTOR BLADE
FR2535794A1 (en) *	1982-11-08	1984-05-11	Snecma	AXIAL AND RADIAL BLADE SUPPORT DEVICE
US5123813A (en) *	1991-03-01	1992-06-23	General Electric Company	Apparatus for preloading an airfoil blade in a gas turbine engine
GB2262139A (en) *	1991-12-04	1993-06-09	Rolls Royce Plc	Fan blade retainer
US5350279A (en) *	1993-07-02	1994-09-27	General Electric Company	Gas turbine engine blade retainer sub-assembly
CZ20002685A3 (en)	1999-12-20	2001-08-15	General Electric Company	Retention system and method for the blades of a rotary machine
FR2807096B1 (en) *	2000-03-30	2002-05-31	Abb Alstom Power Nv	ROTOR DISC OF TURBINE EQUIPPED WITH FINS ON FOOT AND TREE OF MOUNTING A FIN ON A DISC
US6739837B2 (en)	2002-04-16	2004-05-25	United Technologies Corporation	Bladed rotor with a tiered blade to hub interface
EP1507958A1 (en) *	2002-05-24	2005-02-23	ABB Turbo Systems AG	Axial securing means for impeller blades
GB0216951D0 (en) *	2002-07-20	2002-08-28	Rolls Royce Plc	A fan blade assembly
GB2410531B (en) *	2004-01-29	2006-03-01	Rolls Royce Plc	Fan blade disk assembly
US8485785B2 (en)	2007-07-19	2013-07-16	Siemens Energy, Inc.	Wear prevention spring for turbine blade
US8439635B2 (en) *	2009-05-11	2013-05-14	Rolls-Royce Corporation	Apparatus and method for locking a composite component
US8485784B2 (en) *	2009-07-14	2013-07-16	General Electric Company	Turbine bucket lockwire rotation prevention
US8176598B2 (en) *	2009-08-03	2012-05-15	General Electric Company	Locking spacer assembly for a circumferential dovetail rotor blade attachment system
US8708656B2 (en)	2010-05-25	2014-04-29	Pratt & Whitney Canada Corp.	Blade fixing design for protecting against low speed rotation induced wear
US8616850B2 (en)	2010-06-11	2013-12-31	United Technologies Corporation	Gas turbine engine blade mounting arrangement
US8550776B2 (en)	2010-07-28	2013-10-08	General Electric Company	Composite vane mounting
US8734101B2 (en)	2010-08-31	2014-05-27	General Electric Co.	Composite vane mounting
US8956700B2 (en)	2011-10-19	2015-02-17	General Electric Company	Method for adhering a coating to a substrate structure
CN103985407A (en)	2013-02-07	2014-08-13	辉达公司	DRAM with Segmented Page Configuration
US9341071B2 (en) *	2013-10-16	2016-05-17	General Electric Company	Locking spacer assembly
CN106661954A (en)	2014-08-08	2017-05-10	西门子能源公司	Interstage seal housing optimization system in a gas turbine engine
CN105903101A (en) *	2016-06-30	2016-08-31	苗超	Needle head protection sleeve of intravenous injection needle
US11339674B2 (en) *	2018-08-14	2022-05-24	Rolls-Royce North American Technologies Inc.	Blade retainer for gas turbine engine
CN114109512B (en) *	2020-08-25	2024-09-24	通用电气公司	Blade dovetail and retention apparatus
KR102454379B1 (en) *	2020-09-08	2022-10-14	두산에너빌리티 주식회사	rotor and turbo-machine comprising the same
FR3149039A1 (en) *	2023-05-23	2024-11-29	Safran Aircraft Engines	Wedge system for a blade

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2786648A (en) *	1950-04-04	1957-03-26	United Aircraft Corp	Blade locking device
US2847187A (en) *	1955-01-21	1958-08-12	United Aircraft Corp	Blade locking means
US2928651A (en) *	1955-01-21	1960-03-15	United Aircraft Corp	Blade locking means
US2828942A (en) *	1955-08-01	1958-04-01	Orenda Engines Ltd	Rotor blade and rotor blade assembly
GB1067630A (en) *	1965-12-29	1967-05-03	Rolls Royce	Bladed rotor for a fluid flow machine
US3479009A (en) *	1968-05-15	1969-11-18	Gen Electric	Blade retainer
US3572970A (en) *	1969-01-23	1971-03-30	Gen Electric	Turbomachinery blade spacer
US3598503A (en) *	1969-09-19	1971-08-10	United Aircraft Corp	Blade lock
US3832094A (en) *	1973-03-23	1974-08-27	Int Basic Economy Corp	Hydraulic pump
CH572155A5 (en) *	1974-05-27	1976-01-30	Bbc Sulzer Turbomaschinen
US3936234A (en) *	1975-02-10	1976-02-03	General Electric Company	Device for locking turbomachinery blades
GB1491480A (en) *	1975-07-28	1977-11-09	Rolls Royce	Fixing blades for fluid flow machines
DE2639200A1 (en) *	1976-08-31	1978-03-09	Volkswagenwerk Ag	IMPELLER FOR AXIAL TURBINES, IN PARTICULAR FOR GAS TURBINES

1978
- 1978-05-18 US US05/907,238 patent/US4208170A/en not_active Expired - Lifetime
1979
- 1979-02-09 IT IT20044/79A patent/IT1110643B/en active
- 1979-02-13 GB GB7905017A patent/GB2021206B/en not_active Expired
- 1979-02-16 JP JP1623379A patent/JPS54150505A/en active Granted
- 1979-02-16 DE DE19792906029 patent/DE2906029A1/en active Granted
- 1979-02-16 FR FR7903969A patent/FR2426151B1/en not_active Expired
- 1979-04-12 CA CA000325423A patent/CA1122128A/en not_active Expired

Also Published As

Publication number	Publication date
DE2906029C2 (en)	1987-11-26
IT7920044A0 (en)	1979-02-09
GB2021206A (en)	1979-11-28
CA1122128A (en)	1982-04-20
DE2906029A1 (en)	1979-11-22
JPS54150505A (en)	1979-11-26
GB2021206B (en)	1982-03-31
US4208170A (en)	1980-06-17
FR2426151A1 (en)	1979-12-14
JPS6139484B2 (en)	1986-09-04
IT1110643B (en)	1985-12-23

Publication	Publication Date	Title
FR2426151B1 (en)	1985-09-20	DEVICE FOR LOCKING ROTOR BLADES
FR2445892B1 (en)	1986-03-14	RETENTION DEVICE FOR TURBO-MACHINE BLADES
NO784349L (en)	1979-06-28	DEVICE FOR ROTOR BLADES.
FR2413543B1 (en)	1985-09-20	RETENTION DEVICE FOR TURBOMACHINE BLADES
FR2290570A1 (en)	1976-06-04	DEVICE FOR FIXING THE BLADES TO A ROTOR DISC
GB2027495B (en)	1982-08-11	Turbine blade
FR2413544B1 (en)	1985-09-20	IMPROVED BLADE RETENTION DEVICE
BR7905658A (en)	1980-05-20	HILICOPTER ROTOR
FR2345605A1 (en)	1977-10-21	RETAINING DEVICE FOR BLOWER BLADES
GB2029911B (en)	1982-07-21	Wind turbine blade tetention device
IT1116002B (en)	1986-02-10	ROTOR FOR MAGNETOMOTOR DEVICE
GB2027496B (en)	1982-08-11	Turbine blade
IT7819916A0 (en)	1978-02-02	MOUNTING DEVICE FOR ROTOR BLADES IN HELICOPTERS.
BE880491A (en)	1980-04-01	CABLE CUTTING DEVICE
GB2015658B (en)	1982-08-18	Turbine blade
NO792116L (en)	1979-12-28	HELICOPTER ROTOR DEVICE.
NO155914C (en)	1987-06-24	PRINTED HAIR BLADE PREPARATION.
BR7900792A (en)	1979-09-04	TURBINE MIXER
SE7907706L (en)	1980-03-30	PROPELLER PROTECTION DEVICE
BE879128A (en)	1980-02-01	DRY SHAVE DEVICE
MA18432A1 (en)	1979-12-31	SHEARING DEVICE
JPS54126398A (en)	1979-10-01	Rotor blade especially for rotorrplane
JPS54102684A (en)	1979-08-13	Device for fixing peennhardened turbine blade
PT68243A (en)	1978-07-01	JUNCTION DEVICE
SE7905049L (en)	1980-12-12	KNIFE SHAFT DEVICE